The Other (Tech-Heavy) Shoe

SAN FRANCISCO -- When does the other shoe drop? That's what everyone on Wall Street is mulling after the Dow Jones Industrial Average suffered another (steel-toed) booting on Tuesday.

By other big shoes, I'm not talking Ed Sullivan or even which company will be the next Procter & Gamble (PG Quote), which (of course) tumbled 30% after warning of lower-than-expected profits.

Rather, the question on everyone's foot is when, if ever, the Dow's woes will begin to seriously affect the Nasdaq Composite. Sure, the Comp retreated from its intraday high of 5007.68, closing down 1.2% to 4864.84 today. But the index still looks pretty comfortable in its Manolo Blahniks. ...